Exercises

Gunnery exercises 0700Z to 1530Z daily: a. 02 thru 04, 07 thru 11, 14 thru 18, 21 thru 25 and 28 thru 31 may…

Tyrrhenian Sea · HYDROLANT 1286/01

What this record establishes

Archived notice · 2001-05-31 16:30Z

This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.

Source and dates
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · MARISARDEGNA 70/01 301452B APR 01; WZ 962/01 301309Z APR 01. Issued 2001-04-30 14:55Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered
Tyrrhenian Sea. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.

Related notices and cancellation links

Current notices and reporting history in the Tyrrhenian Sea →

issued
2001-04-30 14:55Z
status
Archived notice
self-cancels
2001-05-31 16:30Z
authority
MARISARDEGNA 70/01 301452B APR 01; WZ 962/01 301309Z APR 01
issued by
MARISARDEGNA
sea
Tyrrhenian Sea
position
39.814, 10.686
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. GUNNERY EXERCISES 0700Z TO 1530Z DAILY:
   A. 02 THRU 04, 07 THRU 11, 14 THRU 18, 21 THRU 25 AND 28 THRU
      31 MAY IN AREA BETWEEN 40-00N 39-10N AND 010-00E 010-30E.
   B. 02, 03, 07 THRU 11, 16, 17, 23 AND 24 MAY IN AREA BOUND BY
      40-15N 010-00E, 40-15N 011-31E, 40-11N 011-33E,
      39-32N 011-38E, 38-52N 011-28E, 39-10N 010-00E,
      39-28N 009-38E, 39-43N 009-40E.
   C. 07 THRU 11 MAY IN AREA BOUND BY 40-37N 009-54E,
      40-42N 011-17E, 40-11N 011-33E, 39-46N 011-36E,
      39-02N 010-17E, 39-04N 010-08E, 39-26N 009-38E.
2. CANCEL HYDROLANT 1285/01(37), OPERATIONS SUSPENDED.
3. CANCEL THIS MSG 311630Z MAY.

Reading this warning

Gunnery and live firing
Naval or coastal guns firing into a sea area for practice, at stated times.
Position (degrees and minutes)
How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
Area bound by
Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
Cancellation reference
A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
HYDROLANT
The U.S. long-range warning series for Atlantic waters outside NAVAREA IV, including the eastern Atlantic, the Mediterranean and adjoining seas.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.
Date-time group (DTG)
A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.

All warning terms →

Collected reports in this area · military exercises

352 within 180 nm since 1999 · 0 in the last 12 months · 0 listed in force now

99
00
05
10
15
20
23

Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.

Month of issue in the collected archive

J
F
M
A
M
J
J
A
S
O
N
D

All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.

Nearby notices listed in force · within 120 nm

No other collected notice is currently listed in force within this radius. This does not establish safe conditions.

Worldwide in the collected sources

9 military exercises listed in force · see all

Record snapshot 2026-10-03 12:24Z; source collection times vary.

Exercises

Gunnery, firing and naval exercise areas. All current military exercises →

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.